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But when it comes to the most memorable items people left behind, things get much less predictable.

Connecticut riders left everything from a scooter to a drone. Someone even reported leaving "my fish" behind. Distracted locals forgot some rather peculiar grocery grocery items, including a pack of chicken breasts, frozen pizza and 1 pound of deli cheese.

Some of the lost items have a certain poignancy. As one might expect, as ride-share services become more and more enmeshed in the fabric of everyday life, people are taking Ubers to important events in their lives, and the lost-and-found items reflect that: Riders are leaving evidence of major life milestones behind in Ubers. In Connecticut, distracted riders forgot wedding bands, tiaras, birth certificates, and diamonds in their ride-shares.

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Uber Released its Annual 'Lost and Found Index' and People Lose Some Weird Stuff The ride sharing app collected data from all over the United States and compiled it in a list. Here are a few things that people have left behind.

Media: Wibbitz

There are also some interesting insights as to what people lost most on particular days. Sundays are the most forgetful days in general. Reports of lost glasses spike on Mondays, laptops are most often lost on Thursdays, and lost backpack reports peak on Fridays.

Click through the gallery above for some of the strangest items lost in Connecticut Ubers. You can see the full Uber Lost and Found Index here.